Today | Weather | Thursday, February 5, 2026
Active Weather Warnings

Weather in Eugene, Oregon

05:33 PM
Now
Cloudy Night
54° F
Feels Like 54°
Precipitation 13 %
Wind 5 mph
Humidity 72 %
Today
Partly Sunny with Showers
Day 57°
Night 36°
Precipitation 49 %
Wind 4 mph
UV Index (0 - 11+) 2

Eugene Weather Forecast Updated

6 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 5, 2025)
Rainy Weather

Day

43°

Night

30°

Wind

11 mph

UV Index

1

Precipitation

84 %

Air Quality in Eugene

NOW
17 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 3.99 µg/m³
PM10 4.42 µg/m³
O3 0.018 ppm
NO2 2.4 ppb
SO2 0 ppb
CO 0.16 ppm
NH3 1.01 µg/m³
NO 0.04 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.99 µg/m³
PM104.42 µg/m³
O334.53 µg/m³
NO24.54 µg/m³
SO20.09 µg/m³
CO178.05 µg/m³
NH31.01 µg/m³
NO0.04 µg/m³

Weather Alerts and Warnings for Eugene

Moderate Expected Likely

Air Stagnation Advisory

Air Stagnation Advisory issued February 5 at 12:39PM PST until February 6 at 10:00PM PST by NWS Portland OR
Feb 5, 12:39 PM Feb 6, 10:00 PM
WHAT: Light winds and limited air movement will lead to a period
of stagnant air conditions.

WHERE: Lower Columbia River and Cowlitz River Valleys, and Lane
County Lowlands.

WHEN: Until 10 PM PST Friday.

IMPACTS: Deteriorating air quality may cause issues for people
with respiratory problems.

ADDITIONAL DETAILS: The Dense Fog Advisory has been cancelled as
visibilities have risen above one quarter of a mile.
+ Read More
State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.
Updated: Feb 5, 5:26 PM Source: NWS Alert